Article comprising a protective top layer based on mixed oxide of zirconium and aluminum
US11254608B2 · kind B2 · utility
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Key dates
| Filing date | Feb 23, 2017 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Jun 14, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2218/32
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An article includes a substrate that is transparent, the substrate being covered on at least one of its faces, totally or partly, with a protective layer based on zirconium and aluminum mixed oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.